Change a single line of javascript into code that is easier to understand

Having some trouble comprehending this concise line of Javascript code.

The following line is functioning:

this._iconNeedsUpdate = !0,this._expandBounds(t), t instanceof L.MarkerCluster ? (e || (this._childClusters.push(t), t.__parent = this), this._childCount += t._childCount) : (e || this._markers.push(t), this._childCount++), this.__parent && this.__parent._addChild(t, !0)

I attempted a transformation with the code below, but it's not working as intended:

this._iconNeedsUpdate = !0;
this._expandBounds(t);
if (t instanceof L.MarkerCluster) {
    if (!e) {
        this._childClusters.push(t);
        t.__parent = this;
    } else {
        this._childCount += t._childCount;
    }
} else { 
    if (!e) {
        this._markers.push(t);
        this._childCount++;
    }
}
if (this.__parent) {
    this.__parent._addChild(t, !0);
}

Any suggestions or insights?

Appreciate your assistance!

Following your guidance, here's the revised code:

this._iconNeedsUpdate = true;
this._expandBounds(t);

if (t instanceof L.MarkerCluster) {
  if (!e) {
    this._childClusters.push(t);
    t.__parent = this;
  }
  this._childCount += t._childCount
} else {
  if (!e) {
    this._markers.push(t);
  }
  this._childCount++;
}
if (this.__parent) {
  this.__parent._addChild(t, true);
}

Thank you for your help!

javascriptencryption

Answer №1

The ternary conditional operator is known for its low priority ranking.

Furthermore, in the scenario of (A || B), C, B will only be assessed if A turns out to be falsy, whereas C will always undergo evaluation.

This can be rewritten as follows:

this._iconNeedsUpdate = true;
this._expandBounds(t);

if (t instanceof L.MarkerCluster) {
  if (!e) {
    this._childClusters.push(t);
    t.__parent = this;
  }
  this._childCount += t._childCount
} else {
  if (!e) {
    this._markers.push(t);
  }
  this._childCount++;
}
if (this.__parent) {
  this.__parent._addChild(t, true);
}

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